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70f5096533
linux/net
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Cong Wang 70f5096533 net_sched: avoid resetting active qdisc for multiple times 
Except for sch_mq and sch_mqprio, each dev queue points to the
same root qdisc, so when we reset the dev queues with
netdev_for_each_tx_queue() we end up resetting the same instance
of the root qdisc for multiple times.

Avoid this by checking the __QDISC_STATE_DEACTIVATED bit in
each iteration, so for sch_mq/sch_mqprio, we still reset all
of them like before, for the rest, we only reset it once.

Reported-by: Václav Zindulka <vaclav.zindulka@tlapnet.cz>
Tested-by: Václav Zindulka <vaclav.zindulka@tlapnet.cz>
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-27 15:05:49 -07:00
..
6lowpan
9p 9pnet: allow making incomplete read requests 2020-03-27 09:29:56 +00:00
802 net: 802: psnap.c: Use built-in RCU list checking 2020-02-24 13:02:53 -08:00
8021q netpoll: accept NULL np argument in netpoll_send_skb() 2020-05-07 18:11:07 -07:00
appletalk ipv4,appletalk: move SIOCADDRT and SIOCDELRT handling into ->compat_ioctl 2020-05-18 17:35:02 -07:00
atm atm: switch do_atmif_sioc() to direct use of atm_dev_ioctl() 2020-05-20 20:31:36 -04:00
ax25 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-05-24 13:47:27 -07:00
batman-adv This cleanup patchset includes the following patches: 2020-05-26 15:19:29 -07:00
bluetooth Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next 2020-05-13 12:20:12 -07:00
bpf bpf: Fix too large copy from user in bpf_test_init 2020-05-19 17:56:34 +02:00
bpfilter SPDX patches for 5.7-rc1. 2020-04-03 13:12:26 -07:00
bridge bridge: mrp: Rework the MRP netlink interface 2020-05-27 11:30:43 -07:00
caif net: caif: Fix use correct return type for ndo_start_xmit() 2020-04-30 12:13:07 -07:00
can
ceph docs: networking: convert dns_resolver.txt to ReST 2020-04-28 14:39:46 -07:00
core flow_dissector: Parse multiple MPLS Label Stack Entries 2020-05-26 15:22:58 -07:00
dcb
dccp ipv6: move SIOCADDRT and SIOCDELRT handling into ->compat_ioctl 2020-05-18 17:35:02 -07:00
decnet Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2020-05-01 17:02:27 -07:00
dns_resolver docs: networking: convert dns_resolver.txt to ReST 2020-04-28 14:39:46 -07:00
dsa Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-05-24 13:47:27 -07:00
ethernet net: move devres helpers into a separate source file 2020-05-23 16:56:17 -07:00
ethtool net: ethtool: Allow PHY cable test TDR data to configured 2020-05-26 23:22:21 -07:00
hsr hsr: remove WARN_ONCE() in hsr_fill_frame_info() 2020-05-07 17:40:02 -07:00
ieee802154 ieee802154: 6lowpan: remove unnecessary comparison 2020-05-08 22:25:10 -07:00
ife
ipv4 tcp: rename tcp_v4_err() skb parameter 2020-05-27 14:57:27 -07:00
ipv6 tcp: allow traceroute -Mtcp for unpriv users 2020-05-25 17:54:06 -07:00
iucv net/af_iucv: clean up function prototypes 2020-05-19 12:50:14 -07:00
kcm net: kcm: kcmproc.c: Fix RCU list suspicious usage warning 2020-03-16 17:14:02 -07:00
key
l2tp ipv6: move SIOCADDRT and SIOCDELRT handling into ->compat_ioctl 2020-05-18 17:35:02 -07:00
l3mdev
lapb docs: networking: convert lapb-module.txt to ReST 2020-04-30 12:56:35 -07:00
llc af_llc: fix if-statement empty body warning 2020-02-26 20:38:13 -08:00
mac80211 One batch of changes, containing: 2020-05-26 20:17:35 -07:00
mac802154
mpls mpls: Add support for IPv6 tunnels 2020-05-22 15:49:31 -07:00
mptcp mptcp: attempt coalescing when moving skbs to mptcp rx queue 2020-05-26 20:29:32 -07:00
ncsi net/ncsi: Support for multi host mellanox card 2020-01-09 18:36:22 -08:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-05-15 13:48:59 -07:00
netlabel netlabel: cope with NULL catmap 2020-05-12 18:12:40 -07:00
netlink bpf: Enable bpf_iter targets registering ctx argument types 2020-05-13 12:30:50 -07:00
netrom net: partially revert dynamic lockdep key changes 2020-05-04 12:05:56 -07:00
nfc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-03-12 22:34:48 -07:00
nsh
openvswitch net: openvswitch: use div_u64() for 64-by-32 divisions 2020-04-25 20:48:21 -07:00
packet net/packet: tpacket_rcv: avoid a producer race condition 2020-03-15 00:25:25 -07:00
phonet sysctl: pass kernel pointers to ->proc_handler 2020-04-27 02:07:40 -04:00
psample net: psample: fix build error when CONFIG_INET is not enabled 2020-05-23 16:36:05 -07:00
qrtr Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-05-24 13:47:27 -07:00
rds rds: fix crash in rds_info_getsockopt() 2020-05-20 14:08:06 -07:00
rfkill
rose net: partially revert dynamic lockdep key changes 2020-05-04 12:05:56 -07:00
rxrpc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-05-24 13:47:27 -07:00
sched net_sched: avoid resetting active qdisc for multiple times 2020-05-27 15:05:49 -07:00
sctp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-05-24 13:47:27 -07:00
smc net/smc: mark smc_pnet_policy as const 2020-05-26 20:19:13 -07:00
strparser
sunrpc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-05-24 13:47:27 -07:00
switchdev net: switchdev: do not propagate bridge updates across bridges 2020-02-26 20:58:33 -08:00
tipc tipc: add test for Nagle algorithm effectiveness 2020-05-26 15:16:52 -07:00
tls net/tls: free record only on encryption error 2020-05-21 17:20:06 -07:00
unix net: datagram: drop 'destructor' argument from several helpers 2020-02-28 12:12:53 -08:00
vmw_vsock vsock/virtio: fix multiple packet delivery to monitoring devices 2020-04-27 10:18:01 -07:00
wimax
wireless One batch of changes, containing: 2020-05-26 20:17:35 -07:00
x25 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-05-06 22:10:13 -07:00
xdp xsk: Explicitly inline functions and move definitions 2020-05-21 17:31:27 -07:00
xfrm Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 2020-03-30 10:59:20 -07:00
compat.c get rid of compat_mc_setsockopt() 2020-05-20 20:31:32 -04:00
devres.c net: devres: provide devm_register_netdev() 2020-05-23 16:56:17 -07:00
Kconfig net: ethtool: netlink: Add support for triggering a cable test 2020-05-10 12:28:41 -07:00
Makefile net: move devres helpers into a separate source file 2020-05-23 16:56:17 -07:00
socket.c ipv4,appletalk: move SIOCADDRT and SIOCDELRT handling into ->compat_ioctl 2020-05-18 17:35:02 -07:00
sysctl_net.c